ARMmbed
/
mbed-os
mirror of https://github.com/ARMmbed/mbed-os.git
1
0
Fork 0
Code Issues Projects Releases Wiki Activity

* updated serial api to support 1 pin (rx / tx) operation.

pull/1297/head
akhilpanayam 2015-08-05 11:28:00 +05:30 committed by Karthik Purushothaman
parent 61b7d9755a
commit e7da2dbe2b
1 changed files with 7 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
libraries/mbed/targets/hal/TARGET_Atmel/TARGET_SAM0/serial_api.c
View File

@ -184,8 +184,13 @@ static enum status_code usart_set_config_default(serial_t *obj)
/* Set stopbits, character size and enable transceivers */
ctrlb = (uint32_t)pSERIAL_S(obj)->stopbits | (uint32_t)pSERIAL_S(obj)->character_size |
(0x1ul << SERCOM_USART_CTRLB_RXEN_Pos) | // receiver enable
(0x1ul << SERCOM_USART_CTRLB_TXEN_Pos); // transmitter enable
SERCOM_USART_CTRLB_RXEN | SERCOM_USART_CTRLB_TXEN; /*transmitter and receiver enable*/
if (pSERIAL_S(obj)->pins[USART_RX_INDEX] == NC) { /* if pin is NC, have to disable the corresponding transmitter/receiver part */
ctrlb &= ~SERCOM_USART_CTRLB_RXEN; /* receiver disable */
}
if (pSERIAL_S(obj)->pins[USART_TX_INDEX] == NC) {
ctrlb &= ~SERCOM_USART_CTRLB_TXEN; /* transmitter disable */
}
/* Check parity mode bits */
if (pSERIAL_S(obj)->parity != USART_PARITY_NONE) {